| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Chesbro | NYA | 6.81 | 190410070_BOS_NYA |
| Rube Waddell | OAK | 6.07 | 190410071_OAK_MIN |
| Cy Young | BOS | 3.28 | 190410082_NYA_BOS |
| Bill Bernhard | CLE | 2.11 | 190410072_CLE_DET |
| Doc White | CHA | 1.91 | 190410070_BAL_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Duggleby | PHI | -4.1 | 190410081_ATL_PHI |
| Chappie McFarland | SLN | -3.56 | 190410092_CIN_SLN |
| Kaiser Wilhelm | ATL | -2.77 | 190410082_ATL_PHI |
| Jesse Stovall | DET | -0.68 | 190410071_CLE_DET |
| Happy Townsend | MIN | -0.22 | 190410081_OAK_MIN |
Based on accumulated WAA for this season up to 1904-10-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 14.02 | Jack Chesbro | 445.7 | NYA |
| +002+ | 13.98 | Rube Waddell | 379 | OAK |
| +003+ | 10.86 | Cy Young | 380 | BOS |
| +006+ | 8.99 | Eddie Plank | 357.3 | OAK |
| +007+ | 8.66 | Joe McGinnity | 408.3 | SFN |
| +008+ | 8.3 | Bill Bernhard | 320.7 | CLE |
| +009+ | 7.84 | Doc White | 228 | CHA |
| +010+ | 7.53 | Jesse Tannehill | 281.7 | BOS |
| +011+ | 7.52 | Bill Dinneen | 326.7 | BOS |
| +012+ | 7.41 | Addie Joss | 192.3 | CLE |
| +013+ | 6.78 | Jack Powell | 390.7 | NYA |
| +014+ | 6.63 | Harry Howell | 299.7 | BAL |
| +018+ | 6.26 | Norwood Gibson | 273 | BOS |
| +019+ | 6.2 | George Mullin | 382.3 | DET |
| +020+ | 5.83 | Fred Glade | 288.7 | BAL |
| +021+ | 5.57 | Otto Hess | 151.3 | CLE |
| +022+ | 5.55 | Frank Smith | 203.3 | CHA |
| +024+ | 5.42 | Red Donahue | 277 | CLE |
| +028+ | 5.06 | Ed Killian | 331.7 | DET |
| +032+ | 4.78 | Weldon Henley | 295.7 | OAK |
| +041+ | 3.86 | Kid Nichols | 317 | SLN |
| +044+ | 3.67 | Roy Patterson | 164.7 | CHA |
| +054+ | 2.93 | Jake Weimer | 306.7 | CHN |
| +056+ | 2.81 | Patsy Flaherty | 285 | TOT |
| +064+ | 2.09 | Barney Pelty | 300.7 | BAL |
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